<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        div{
            width: 200px;
            height: 200px;
        }
        .box1{
            float: left;
            background-color: #f0f0f0;
        }
        .box2{
            float: left;
            background-color: orange;
        }
    </style>
</head>
<body>
<div class="box1"></div>
<div class="box2"></div>
</body>
</html>